A U.S. TV spot for this film is featured under the titles 'The Phantom in the Red House' (printed on-screen) and 'The Phantom of the Red House' (spoken by announcer).
"Not since 'The Cabinet of Dr. Caligari' has the screen been so filled with the EERIE! the SHOCKING! the INCREDIBLE! the DIABOLICAL!" This is said in the U.S. theatrical trailer for 'Black Pit of Dr. M' ('Misterios de ultratumba').